Products + Technology, Research

Researchers Make Strides with Novel Lighting Technology: Light-Emitting Electrochemical Cells

Craig DiLouie March 19, 2015

The iridium metal center is wrapped in an organic coat which protects it in the LEC. The precise chemical structure of the coat allows the researchers to tune the color of the emitted light. ©University of Basel.

The iridium metal center is wrapped in an organic coat which protects it in the LEC. The precise chemical structure of the coat allows the researchers to tune the color of the emitted light. ©University of Basel.

Researchers at the Universities of Basel and Valencia recently reported that they have succeeded in laying the ground work for a novel solid-state light source based on light-emitting electrochemical cells (LECs).

The group, led by Basel professors Catherine E. Housecroft and Edwin C. Constable, see LECs as potentially advantageous compared to LED because they are simpler devices with a single layer of active material, which can be solution-processed in ambient conditions.

Until now, LECs have had short life, which prevented exploration as a viable lighting technology. The research group have demonstrated that devices with lifetimes of 2,500 hours can now be prepared.

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